Metaphor is defined as the figure of speech in which one thing such as situation, incident or experience is mentioned to described about another thing. It is used for depicting about the similar thought and idea between both the mentioned things .It helps a person to clearly understand the meaning .
According to the situation mentioned in question, metaphor is being used by the speaker for describing the women with the technology example so that her situation can be actually understood .
Other options are incorrect because simile involves the feature of comparison. Alliteration describes about repeating word with same sound.Omission is exclusion of information or word.
